<template>
    <div>
        <!--面包屑导航区-->
        <el-breadcrumb separator="/">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>数据统计</el-breadcrumb-item>
  <el-breadcrumb-item>数据报表</el-breadcrumb-item>
</el-breadcrumb>
    <el-card>
        <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 800px;height:400px;"></div>
    </el-card>
    </div>
</template>
<script>
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }

    }
  },
  created () {

  },
  async mounted () {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status != 200) {
      return this.$messgae.error('数据请求失败')
    }
    // 指定图表的配置项和数据
    const resulte = _.merge(res.data, this.options)

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(resulte)
  },
  methods: {

  }

}
</script>
<style lang="less" scoped>

</style>
